{"id":340,"date":"2018-11-08T18:38:10","date_gmt":"2018-11-08T18:38:10","guid":{"rendered":"https:\/\/geekblog.febo.com\/?p=340"},"modified":"2018-11-11T15:25:05","modified_gmt":"2018-11-11T15:25:05","slug":"frequency-standard-tweaking","status":"publish","type":"post","link":"https:\/\/blog.febo.com\/?p=340","title":{"rendered":"OSA 8607-008 baseline frequency measurement"},"content":{"rendered":"<p>This is the first of several boring posts where I&#8217;m documenting the offset of a couple of my frequency standards so that I can come back later and determine aging rate.<\/p>\n<p>This is my Oscilloquartz 8607-008 BVA quartz oscillator.  I don&#8217;t know the last time it was adjusted, but when I started it was about 8&#215;10<sup>-10<\/sup> high and after adjustment it was within 1&#215;10<sup>-10<\/sup>.<br \/>\n<P><br \/>\n<a href=\"http:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva_before_08Nov20182.jpg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"http:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva_before_08Nov20182-259x300.jpg\" alt=\"bva_before_08nov2018\" width=\"259\" height=\"300\" class=\"aligncenter size-medium wp-image-348\" srcset=\"https:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva_before_08Nov20182-259x300.jpg 259w, https:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva_before_08Nov20182.jpg 580w\" sizes=\"(max-width: 259px) 100vw, 259px\" \/><\/a><br \/>\n<P><br \/>\n<a href=\"http:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva_after08Nov20182.jpg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"http:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva_after08Nov20182-283x300.jpg\" alt=\"bva_after08nov2018\" width=\"283\" height=\"300\" class=\"aligncenter size-medium wp-image-347\" srcset=\"https:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva_after08Nov20182-283x300.jpg 283w, https:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva_after08Nov20182.jpg 544w\" sizes=\"(max-width: 283px) 100vw, 283px\" \/><\/a><br \/>\n<P><br \/>\n<a href=\"http:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva-hp5071a_HP_freq_adjust1.png\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"http:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva-hp5071a_HP_freq_adjust1-300x210.png\" alt=\"bva-hp5071a_hp_freq_adjust\" width=\"600\" height=\"420\" class=\"aligncenter size-medium wp-image-346\" srcset=\"https:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva-hp5071a_HP_freq_adjust1-300x210.png 300w, https:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva-hp5071a_HP_freq_adjust1-360x251.png 360w, https:\/\/blog.febo.com\/wp-content\/uploads\/2018\/11\/bva-hp5071a_HP_freq_adjust1.png 1022w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><br \/>\n<P><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is the first of several boring posts where I&#8217;m documenting the offset of a couple of my frequency standards so that I can come back later and determine aging&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[7,2],"tags":[],"class_list":["post-340","post","type-post","status-publish","format-standard","hentry","category-test-and-lab-equipment","category-time-and-frequency"],"_links":{"self":[{"href":"https:\/\/blog.febo.com\/index.php?rest_route=\/wp\/v2\/posts\/340","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.febo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.febo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.febo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.febo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=340"}],"version-history":[{"count":5,"href":"https:\/\/blog.febo.com\/index.php?rest_route=\/wp\/v2\/posts\/340\/revisions"}],"predecessor-version":[{"id":376,"href":"https:\/\/blog.febo.com\/index.php?rest_route=\/wp\/v2\/posts\/340\/revisions\/376"}],"wp:attachment":[{"href":"https:\/\/blog.febo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.febo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.febo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}